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CN220019496U - Automatic filling device for ion chromatography leacheate - Google Patents

Automatic filling device for ion chromatography leacheate Download PDF

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Publication number
CN220019496U
CN220019496U CN202321129303.4U CN202321129303U CN220019496U CN 220019496 U CN220019496 U CN 220019496U CN 202321129303 U CN202321129303 U CN 202321129303U CN 220019496 U CN220019496 U CN 220019496U
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China
Prior art keywords
ion
fuel cell
collecting device
pipeline
oxygen
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CN202321129303.4U
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Chinese (zh)
Inventor
姜颖
贾延辉
李晓锟
石亚辉
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Hebei Huiyou Environmental Protection Technology Co ltd
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Hebei Huiyou Environmental Protection Technology Co ltd
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Priority to CN202321129303.4U priority Critical patent/CN220019496U/en
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Abstract

The utility model relates to an ion chromatography leacheate automatic filling device, which comprises an ion electrolysis chamber, a fuel cell, a leacheate mother liquor tank, an alkaline solution mother liquor tank, a pump, a gas collecting device, an anion ion exchange column, a cation ion exchange column, a stirring tank, a plurality of pipelines and valves, wherein the ion electrolysis chamber is connected with the fuel cell; the ion electrolysis chamber comprises a cathode, an anode, a cation exchange membrane, an anion exchange membrane and a generation chamber; the fuel cell comprises a positive electrode, a negative electrode, a proton exchange membrane and a catalytic diffusion layer. Through the technical scheme, the problem of utilizing hydrogen and oxygen in the prior art is solved.

Description

Automatic filling device for ion chromatography leacheate
Technical Field
The utility model relates to the technical field of automatic filling devices for ion chromatography leacheate, in particular to an automatic filling device for ion chromatography leacheate.
Background
Ion chromatography is used for analysis of various samples and has the advantage of high efficiency, but in actual operation, the addition of eluent is required to be timed, which is very complicated. An automatic filling device is provided to solve the problem that the eluent needs to be added at regular time.
The automatic filling device in the prior art comprises an ion electrolysis chamber, an anion ion exchange column, a cation ion exchange column and a pump, and solves the problem of automatic configuration of the leaching solution, but also has the problems that hydrogen and oxygen are required to be discharged, and are not utilized, so that the resource waste is caused. Based on the above problems, an ion chromatography eluent automatic filling device is specifically proposed.
Disclosure of Invention
The utility model provides an automatic filling device for ion chromatography leacheate, which mainly solves the problem that hydrogen and oxygen in the related technology are not utilized.
The technical scheme of the utility model is as follows:
an automatic filling device of ion chromatography leacheate comprises an ion electrolysis chamber, an anion ion exchange column, a cation ion exchange column and a pump, and is provided with a fuel cell, a leacheate mother liquor tank, an alkaline solution mother liquor tank, an oxygen gas collecting device, a hydrogen gas collecting device and a stirring tank; the leaching solution mother liquor tank is connected with the ion electrolysis chamber through a pipeline; the alkaline solution mother liquor tank is connected with the fuel cell through a pipeline; the ion electrolysis chamber is connected with the oxygen gas collecting device and the hydrogen gas collecting device through pipelines respectively; the stirring tank is provided with a feed inlet and a discharge outlet; the ion electrolysis chamber is connected with a feed inlet of the stirring tank through a pipeline; the pump is connected with the ion electrolysis chamber through a pipeline; the oxygen collecting device is connected with the fuel cell through a pipeline; the hydrogen collecting device is connected with the fuel cell through a pipeline; the cation exchange column is connected with the hydrogen collecting device through a pipeline; the anion exchange column is connected with the oxygen collecting device through a pipeline.
Further, the fuel cell is an oxyhydrogen fuel cell, and the electrolyte solution is an alkaline solution.
Further, the anode and the cathode of the fuel cell are plate-shaped inert electrodes and are distributed on two sides of the cell.
Further, the stirring tank comprises a jacket, and the jacket is arranged on the stirring tank by welding and is provided with a tubular flowing space.
Further, the oxygen gas collecting device and the hydrogen gas collecting device both comprise gas collecting cylinders.
Further, the stirring tank comprises an inner cylinder and an outer cylinder, a transmission device is arranged on the stirring tank, and the inner cylinder of the stirring tank is provided with a stirrer and a stirring shaft; the transmission device is connected with the stirring shaft through a coupling, the stirrer is arranged on the stirring shaft through welding, and the outer cylinder is arranged on the inner cylinder through welding.
Further, the fuel cell comprises a negative electrode, a hydrogen catalytic diffusion layer, a proton exchange membrane, an oxygen catalytic diffusion layer and a positive electrode which are sequentially arranged, wherein the negative electrode, the hydrogen catalytic diffusion layer, the proton exchange membrane, the oxygen catalytic diffusion layer and the positive electrode are welded with each other.
Further, both the anion exchange membrane and the cation exchange membrane are homogeneous membranes.
The beneficial effects of the utility model are as follows:
1. the utility model makes full use of hydrogen and oxygen by adding the fuel cell; if the electric energy is needed to assist the ion electrolysis chamber to electrolyze, the electric energy is needed to be connected with the ion electrolysis chamber in series, so that the electric energy-assisted ion electrolysis device is quite convenient.
2. The utility model can uniformly provide the produced eluent to the ion chromatographic system by adding the stirring tank, thereby avoiding affecting the stability of the base line.
3. The utility model adopts double-membrane electrolysis to prepare the leaching solution with set concentration, and can lead the solution in the two polar chambers of the ion electrolysis chamber to be changed into water to flow back into the ion electrolysis chamber, thereby avoiding the trouble of adding water at fixed time.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic diagram showing the structure of an alkaline oxyhydrogen fuel cell according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a stirring tank in an embodiment of the utility model.
In the figure: 1. a mother liquor tank for leaching liquor; 2. an ion electrolysis chamber; 3. an anode electrode; 4. a cathode electrode; 5. an anion exchange membrane; 6. a generation chamber; 7. a cation exchange membrane; 8. an oxygen collecting device; 9. a hydrogen gas collecting device; 10. a stirring tank; 11. a feed inlet; 12. a discharge port; 13. a cation ion exchange column; 14. an anion exchange column; 15. a fuel cell; 16. a positive electrode; 17. an oxygen catalytic diffusion layer; 18. a proton exchange membrane; 19. a hydrogen catalytic diffusion layer; 20. a negative electrode; 21. an alkaline solution mother liquor tank; 22. a pump; 23. a transmission device; 24. a jacket; 25. a stirring shaft; 26. a stirrer; 27. an inner cylinder; 28. an outer cylinder.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments.
All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 3, the embodiment of the utility model provides an automatic ion chromatography eluent filling device, which comprises an ion electrolysis chamber 2, a cation ion exchange column 13, an anion ion exchange column 14 and a pump 22, wherein the automatic ion chromatography eluent filling device is provided with an eluent mother liquor tank 1, an oxygen gas collecting device 8, a hydrogen gas collecting device 9, a stirring tank 10, a fuel cell 15 and an alkaline solution mother liquor tank 21; the leaching solution mother liquor tank 1 is communicated with the ion electrolysis chamber 2, and the ion electrolysis chamber 2 is respectively communicated with the oxygen gas collecting device 8 and the hydrogen gas collecting device 9; the alkaline solution mother liquor tank 21 communicates with the fuel cell 15; the stirring tank 10 is provided with a feed inlet 11 and a discharge outlet 12, and the feed inlet 11 is communicated with the ion electrolysis chamber 2; the pump 22 is communicated with the ion electrolysis chamber 2; the oxygen gas collecting device 8 and the hydrogen gas collecting device 9 are communicated with the fuel cell 15; the anion exchange column 14 is communicated with the oxygen collecting device 8 through a pipeline; the cation exchange column 13 is communicated with the hydrogen collecting device 9 through a pipeline.
The stirring tank 10 is welded with the jacket 24, a circular tube-shaped gap is formed between the jacket 24 and the stirring tank body, a heat conduction or cooling medium can be introduced into the jacket 24, the temperature of the eluent can be adjusted, the gap between the jacket 24 and the stirring tank body can ensure that the eluent has a space for buffering, the eluent is prevented from directly entering an ion chromatographic system, and the baseline is unstable, so that the accuracy of a sample result is influenced; the tubular gaps ensure that the resistance is minimum in the process of buffer flow of the eluent, and a large amount of loss of the eluent is avoided.
The electrode of the fuel cell 15 uses an inert electrode which does not react with the electrolyte solution, so that the electrode is prevented from being dissolved and consumed due to the reaction with the electrolyte solution, and the electrode needs to be replaced frequently, which makes the process complicated; the plate-shaped electrodes are distributed on two sides of the battery, so that gas is conveniently introduced, the contact surface is enlarged, and the reaction can be more complete.
The fuel cell 15 is an oxyhydrogen fuel cell and the electrolyte solution is composed of an alkaline solution, and compared with an acidic oxyhydrogen fuel cell, the alkaline oxyhydrogen fuel cell has a long service life and is more environment-friendly, and the alkaline solution as the electrolyte solution ensures that acidic byproducts are not easily generated.
The oxygen gas collecting device 8 and the hydrogen gas collecting device 9 both use a gas collecting bottle to collect gas by using a drainage method, and the method is simple in structure and convenient to operate, and the collected gas is high in purity, compared with an air discharging method, the full-checking step is omitted.
The inner cylinder 27 of the stirring tank 10 comprises a stirring shaft 25 and a stirrer 26, and the stirring shaft 25 is welded with the stirrer 26; the stirring tank 10 is provided with a transmission device 23, and the transmission device 23 is connected with a stirring shaft 25 through a coupling; the stirring shaft 25 is driven to rotate by the transmission device 23, and the stirring shaft 25 drives the stirrer 26 to rotate, so that manual stirring is not needed, the rotating speed is adjustable, and the leaching solution can be uniformly mixed; the agitator tank 10 welds the inner and outer barrels to facilitate the formation of a flow space for buffering.
The fuel cell 15 comprises a positive electrode 16, an oxygen catalytic diffusion layer 17, a proton exchange membrane 18, a hydrogen catalytic diffusion layer 19 and a negative electrode 20, and is welded and arranged in this order, so that the whole structure is simple, compact and light, and the catalytic layer and the diffusion layer are laminated together, thereby greatly accelerating the reaction efficiency.
The anion exchange membrane 5 and the cation exchange membrane 7 are homogeneous membranes, and compared with heterogeneous membranes, the homogeneous membranes have good electrical property, small water permeability and small membrane resistance, and are beneficial to electrolysis.
The working principle of the utility model is as follows:
the leacheate generated by double-membrane electrolysis enters a stirring tank to be stirred, and then is provided for an ion chromatographic system; the generated hydrogen and oxygen are collected by a gas collecting device and provided for an alkaline oxyhydrogen fuel cell through a pipeline; the solution in the two polar chambers in the ion electrolysis chamber is processed by an ion exchange column to generate deionized water, and the deionized water is returned to the ion electrolysis chamber by a pump.
In order to more clearly and in detail describe the automatic eluent filling device applied to the ion chromatographic system provided by the embodiment of the utility model, the following will specifically describe taking the eluent as a sodium hydroxide solution and the alkaline oxyhydrogen fuel cell electrolyte solution as a sodium hydroxide solution, and the rest of the eluent and the alkaline electrolyte solution are the same.
As shown in fig. 1 to 3, the valve is opened, sodium hydroxide solution in the leaching solution mother liquor tank 1 enters the ion electrolysis chamber 2 through a pipeline, anode reaction occurs at the anode electrode 3, oxygen and hydrogen ions are generated by the reaction, the hydrogen ions react with sodium hydroxide to generate water and sodium ions, the sodium ions enter the generation chamber 6 through the cation exchange membrane 7, the aqueous solution enters the cathode, cathode reaction occurs at the cathode electrode 4 to generate hydrogen and hydroxyl ions, the hydroxyl ions enter the generation chamber 6 through the anion exchange membrane 5 and combine with sodium ions to generate sodium hydroxide solution, the valve at the bottom of the generation chamber is opened, the sodium hydroxide solution enters the feed inlet 11 of the stirring tank 10 through a pipeline, then reaches the inside of the stirring tank 10 and is stirred, and then the valve at the bottom is opened, and enters the pipeline communicated with the ion chromatography system along the discharge port 12; opening a right valve below the ion electrolysis chamber 2, enabling the solution and gas at the anode electrode 3 to enter an oxygen collecting device 8 through a pipeline, enabling the oxygen to enter an anion exchange column 14 along with the pipeline after the oxygen is collected, adsorbing superfluous anions, obtaining purified water, and enabling the purified water to enter the ion electrolysis chamber 2 through the pipeline through a pump 22 along the pipeline; opening a left valve below the ion electrolysis chamber 2, enabling the solution and gas at the cathode electrode 4 to enter a hydrogen gas collecting device 9 through a pipeline, enabling the solution and gas to enter a cation exchange column 13 along with the pipeline after hydrogen gas is collected, adsorbing excessive cations, and enabling purified water to enter the ion electrolysis chamber 2 along the pipeline through a pump 22; opening a valve below an alkaline solution mother solution tank 21, enabling sodium hydroxide solution in the alkaline solution mother solution tank 21 to serve as electrolyte solution to enter the fuel cell 15 through a pipeline, opening valves below an oxygen collecting device 8 and a hydrogen collecting device 9, introducing oxygen to the anode 16 through the pipeline, introducing hydrogen to the cathode 20, and consuming the hydrogen and the oxygen to generate water under the action of an oxygen catalytic diffusion layer 17, a hydrogen catalytic diffusion layer 19 and a proton exchange membrane 18; when the electrolyte in the ion electrolysis chamber needs to be replaced in a period of time, the valve on the right side of the ion electrolysis chamber 2 can be opened, the waste electrolyte is discharged through the pipeline, and if the electrolyte solution of the alkaline hydrogen-oxygen fuel cell needs to be replaced or the generated water needs to be discharged, the valve on the right side of the fuel cell can be opened, and the waste electrolyte solution or the water is discharged through the pipeline.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. An automatic filling device for ion chromatography leacheate comprises an ion electrolysis chamber (2), a pump (22), an anion ion exchange column (14) and a cation ion exchange column (13), and is characterized by comprising a fuel cell (15), a leacheate mother liquor tank (1), an alkaline solution mother liquor tank (21), an oxygen gas collecting device (8), a hydrogen gas collecting device (9) and a stirring tank (10); the leaching solution mother liquor tank (1) is connected with the ion electrolysis chamber (2) through a pipeline; the alkaline solution mother solution tank (21) is connected with the fuel cell (15) through a pipeline; the ion electrolysis chamber (2) is connected with the oxygen gas collecting device (8) and the hydrogen gas collecting device (9) through pipelines respectively; a feed inlet (11) and a discharge outlet (12) are arranged on the stirring tank (10); the ion electrolysis chamber (2) is connected with a feed inlet (11) of the stirring tank (10) through a pipeline; the pump (22) is connected with the ion electrolysis chamber (2) through a pipeline; the oxygen collecting device (8) is connected with the fuel cell (15) through a pipeline; the hydrogen collecting device (9) is connected with the fuel cell (15) through a pipeline; the anion exchange column (14) is connected with the oxygen collecting device (8) through a pipeline; the cation exchange column (13) is connected with the hydrogen collecting device (9) through a pipeline.
2. An ion chromatography eluent automatic filling device as claimed in claim 1, wherein said fuel cell (15) is an oxyhydrogen fuel cell and the electrolyte solution is an alkaline solution.
3. The automatic ion chromatography eluent filling device according to claim 1, wherein the fuel cell (15) comprises a negative electrode (20), a hydrogen catalytic diffusion layer (19), a proton exchange membrane (18), an oxygen catalytic diffusion layer (17) and a positive electrode (16) which are sequentially arranged, and the negative electrode (20), the hydrogen catalytic diffusion layer (19), the proton exchange membrane (18), the oxygen catalytic diffusion layer (17) and the positive electrode (16) are welded with each other.
4. The automatic ion chromatography eluting solution filling device according to claim 1, wherein the stirring tank (10) comprises a jacket (24), and the jacket (24) is arranged on the stirring tank (10) by welding and is provided with a tubular flowing space.
5. The automatic ion chromatography eluent filling device according to claim 1, wherein the oxygen gas collecting device (8) and the hydrogen gas collecting device (9) comprise gas collecting cylinders.
6. The automatic ion chromatography leaching liquor filling device according to claim 1, wherein the stirring tank (10) comprises an inner cylinder (27) and an outer cylinder (28), a transmission device (23) is arranged on the stirring tank (10), and the stirring tank inner cylinder (27) is provided with a stirrer (26) and a stirring shaft (25); the transmission device (23) is connected with the stirring shaft (25) through a coupling, the stirrer (26) is arranged on the stirring shaft (25) through welding, and the outer cylinder (28) is arranged on the inner cylinder (27) through welding.
7. An ion chromatography eluent automatic filling device as claimed in claim 3, wherein the anode (16) and the cathode (20) of the fuel cell (15) are plate-shaped inert electrodes and are distributed on both sides of the cell.
8. The automatic ion chromatography eluent filling device as claimed in claim 1, wherein the anion exchange membrane (5) and the cation exchange membrane (7) are homogeneous membranes.
CN202321129303.4U 2023-05-11 2023-05-11 Automatic filling device for ion chromatography leacheate Active CN220019496U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321129303.4U CN220019496U (en) 2023-05-11 2023-05-11 Automatic filling device for ion chromatography leacheate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321129303.4U CN220019496U (en) 2023-05-11 2023-05-11 Automatic filling device for ion chromatography leacheate

Publications (1)

Publication Number Publication Date
CN220019496U true CN220019496U (en) 2023-11-14

Family

ID=88688688

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321129303.4U Active CN220019496U (en) 2023-05-11 2023-05-11 Automatic filling device for ion chromatography leacheate

Country Status (1)

Country Link
CN (1) CN220019496U (en)

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